Adjustable chair



FIG. 1 is a front perspective view of a chair showing my new design;

FIG. 2 is a top plan view of the chair of FIG. 1;

FIG. 3 is an elevation side view of the chair of FIG. 1;

FIG. 4 is a bottom plan view of the chair of FIG. 1;

FIG. 5 is a front elevation view of the chair of FIG. 1;

FIG. 6 is a back elevation view of the chair of FIG. 1; and

FIG. 7 is an elevation side view of the chair of FIG. 1 in an inclined position.

The side of the chair not shown in the Figures is the mirror image of the side shown in FIG. 3. 

The ornamental design for an adjustable chair, as shown and described. 